U.S. Navy Divers and Seabees, assigned to Mobile Diving and Salvage Unit (MDSU) 1 and Underwater Construction Team (UCT) 2, prepare to conduct underwater cutting operations on “Big Blue” mooring system in Apra Harbor, Guam, Dec. 11, 2017. UCT 2 provides construction, inspection, maintenance, and repair of underwater and waterfront facilities in support of the Pacific Fleet. (U.S. Navy photo by Mass Communication Specialist 1st Class Arthurgwain L. Marquez)

Photo by: Petty Officer 1st Class Arthurgw |  VIRIN: 171211-N-CW570-0086.jpg